launcher(PandaDoddo)

local serialization = require("serialization")
local filesystem = require("filesystem")
local shell = require("shell")
local args=shell.parse(...)
local computer = require('computer')
local internet = require("internet")
local unicode = require('unicode')

local function saveTbl(tbl, fl) file = io.open(fl, 'w') file:write(serialization.serialize(tbl)) file:close() end
local function loadTbl(fl) file = io.open(fl, 'r') if not file then file = io.open(fl, 'w') file:write('{}') return {} else return serialization.unserialize(file:read('*a')) end file:close() end

local function get(url,path)
  local result, response = pcall(internet.request, url)
  if result then
    f = io.open(path,'w')
    for chunk in response do
      string.gsub(chunk, "\r\n", "\n")
      f:write(chunk)
    end
    f:close()
  end
  return result
end

local function downloadFile(paste,path)
  if get(paste,path) == false then
    for i=1,3 do
      print(i)
      if get(paste,path) then
        break
      end
    end
  end
end

local function getFilesList(paste)
  if filesystem.exists('/tmp/f') then
    shell.execute('del /tmp/f')
  end
  print('Получаем манифест...')
  downloadFile(paste,'/tmp/f')
  return loadTbl('/tmp/f')
end

function checkDir(path)
  while true do
    path = filesystem.path(path)
  if lastPath == path then
    break
  end
  if filesystem.isDirectory(path) == false then
    filesystem.makeDirectory(path)
  end
    lastPath = path
  end
end

function download()
  if args[1] ~= nil then
    print('Начало установки... ')
    local Files = getFilesList(tostring(args[1]))
    print('Название: '..Files.name)
    print('Описание: '..Files.description)
    print('Версия '..Files.version)
    local Manifest = Files.manifest
    for i=1 , #Manifest do
      checkDir(Manifest[i][2])
    print(Manifest[i][2]..'...')
      downloadFile(Manifest[i][1],Manifest[i][2])
    end
    print('Установка окончена! Перезагрузить компьютер? [Y/N]')
    while true do
      local str = tostring(io.read())
      if unicode.upper(str) == 'Y'  then
        computer.shutdown(true)
      elseif unicode.upper(str) == 'N' then
      break
      end
    end
  end
end

download()